Emergency Overwing Light 60WL/61WL/62WL/63WL
Figure 401/TASK 33-51-15-991-001
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TASK 33-51-15-400-001
Installation of the Emergency Overwing Lights 60WL (61WL, 62WL, 63WL)
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
20-28-00-912-004 Electrical Bonding of Components With Conductive Bolts and Screws and Bonding Straps in the Fuselage and in the Wings (this does not include the tanks)-
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 33-51-15-991-001 Fig. 401
3. Job Set-up
__________ Subtask 33-51-15-860-052
A. Aircraft Maintenance Configuration
(1)
On the overhead panel 25VU, make sure that the EMER EXIT LT switch 4WL is in the OFF position.
(2)
On the Forward Attendant Panel (FAP) 120RH, make sure that the LIGHT EMER pushbutton switch and its integral light are off.
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Subtask 33-51-15-865-054
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU LIGHTING/EMER LT/CABIN 2WL H06 49VU LIGHTING/EMER LT/CABIN 1WL H05 122VU LIGHTING/CABIN/EMER/LT 3WL V07
4. Procedure
_________ (Ref. Fig. 401/TASK 33-51-15-991-001) Subtask 33-51-15-910-050
A. Preparation for Installation
(1)
Make sure that the parts retained from the removed component are clean and in the correct condition.
(2)
Clean the component interface and/or the adjacent area.
(3) Do an inspection of the component interface and/or the adjacent area. Subtask 33-51-15-420-050
B. Installation of the Emergency Overwing Light
(1) Installation of the Emergency Overwing-Light Assembly
(a)
Remove the blanking caps from the electrical connectors.
(b)
Make sure that the electrical connectors are clean and in the correct condition.
(c)
Connect the electrical connector (1).
(d)
Install the bonding strap (3) with the screw (2) (Ref. TASK 20-28-00-912-004).
(e)
Make sure that the work area is clean and clear of tool(s) and other items.
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(f)
Put the emergency overwing-light assembly into position in the fuselage structure.
(g)
Install the screws (4).
(2) Installation of the Bulb(s) of the Emergency Overwing Light
(a)
Install the bulb(s) (9) in the light housing (10).
(b)
Install the lens diffuser in the light housing (10).
(c)
Install the lens (6) and the sealing (7) with the screws (5) to the light housing (10).
Subtask 33-51-15-865-051
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1WL, 2WL, 3WL.
Subtask 33-51-15-860-051
D. Preparation for the Test WARNING : MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED
_______ BEFORE YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT.
(1) Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
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E. Do this test.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. At the emergency exits: At the emergency exits:
- pull down and remove the cover - the SLIDE ARMED light on the cabin
flap from one of the related lining comes on,
hatches,
- push the latch pin against the - the SLIDE ARMED light goes off,
spring and turn it a quarter
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